Android自定义viewGroup实现点击动画效果

public class MyCustomView extends ViewGroup implements View.OnClickListener {

  private OnMenuItemClickListener mMenuItemClickListener;

  /**
   * 点击子菜单项的回调接口
   */
  public interface OnMenuItemClickListener {
    void onClick(View view, int pos);
  }

  public void setOnMenuItemClickListener(
      OnMenuItemClickListener mMenuItemClickListener) {
    this.mMenuItemClickListener = mMenuItemClickListener;
  }

  public enum Status {
    OPEN, CLOSE
  }

  private int mRadius;
  /**
   * 菜单的状态
   */
  private Status mCurrentStatus = Status.CLOSE;
  /**
   * 菜单的主按钮
   */
  private View mCButton;

  public MyCustomView(Context context) {//通过new对象来调用
    this(context, null);
    Log.i("jj", "super(context)");
  }

  public MyCustomView(Context context, AttributeSet attrs) {//在布局中使用时调用
    this(context, attrs, 0);
    Log.i("jj", "super(context, attrs)");
  }

  public MyCustomView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    Log.i("jj", "super(context, attrs, defStyleAttr)");
    mRadius = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 100, getResources().getDisplayMetrics());
    Log.i("jj", "mRadius1: " + mRadius);
    // 获取自定义属性的值
    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.MyCustomView, defStyleAttr, 0);
    mRadius = (int) a.getDimension(R.styleable.MyCustomView_radius, TypedValue
        .applyDimension(TypedValue.COMPLEX_UNIT_DIP, 100,
            getResources().getDisplayMetrics()));
    Log.i("jj", "mRadius: " + mRadius);
    a.recycle();
  }

  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    int count = getChildCount();
    for (int i = 0; i 

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>

  
  
    
  

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>


  

mMenu = (MyCustomView) findViewById(R.id.id_menu);
mMenu.setOnMenuItemClickListener(new MyCustomView.OnMenuItemClickListener() {
  @Override
  public void onClick(View view, int pos) {
    Toast.makeText(MainActivity.this, pos + ":" + view.getTag(), Toast.LENGTH_SHORT).show();
  }
});
mMenu.setOnTouchListener(new View.OnTouchListener() {
  @Override
  public boolean onTouch(View v, MotionEvent event) {
    if(mMenu.isOpen()){
      mMenu.toggleMenu(300);
    }
    return false;
  }
});